I am writing code in c++. I need to support few basic data types and something like BigInt. This types will be exposed to outside world(through header file), which might also include c program.
Should I implement BigInt like data type as struct or class?
The confusion is because
1. If I implement it as class, as OO advantages, I can do all processing in class. But I may have to implement some work around for c programs
2. If I implement it as struct I need not do anything special for c programs, but I loose modularity and ease of implementation.
I am writing code in c++. I need to support few basic data types
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basically C couldn’t access C++ objects, either struct/class (they’re the same in C++, only differs in default visibility specifier). You have to create procedural wrapper for the C++ object (i.e. creation, method call, destruction, etc).
For creation, create a function that returns opaque pointer (in C++, this would be the object pointer). For method call, add the returned pointer (from creation function above) as one of the (typically first) parameter. For destruction it’s the same as method call, but typically receives no other parameter other than the pointer above.